package com.shadowtorcher.soulknife.crud;
/*
 * Copyright (C)  li, Shadow Torcher project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.shadowtorcher.soulknife.DataSupport;
import com.shadowtorcher.soulknife.exception.BeanConfigErrorException;
import com.shadowtorcher.soulknife.tableManager.SQLManager;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

public class Updater {
    public static boolean doUpdate(String tableName, DataSupport templateData, String where, Object... objects) throws SQLException, BeanConfigErrorException {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("UPDATE ").append(tableName);
        stringBuilder.append(" SET ");
        Map<String, Object> member = DataSupport.getNotNullMember(templateData);
        List<Object> list = new ArrayList<>();
        int size = 0;
        for (Map.Entry<String, Object> pair : member.entrySet()) {
            stringBuilder.append(pair.getKey());
            stringBuilder.append("=?");
            if (++size < member.size())
                stringBuilder.append(",");
            list.add(pair.getValue());
        }
        stringBuilder.append(" WHERE ");
        stringBuilder.append(where);
        list.addAll(Arrays.asList(objects));
        return SQLManager.runSQL(stringBuilder.toString(), list.toArray());
    }
}
